#include<stdio.h>
#include<ctype.h>
#include<string.h>
int main() {
	int arr[255] = {0};
	char s[60] = "";
	printf("Enter string: ");
	gets(s);
	for(int i = 0; i< strlen(s); i++) {
		if(isalnum(s[i])) {
			arr[s[i]]++;
		}
	}
	int max = 0;
	printf("Times of appearance for each character:\n");
	for(int i= 0 ; i < 255; i++) {
		if(max < arr[i]) {
			max = arr[i];
		}
		if(isalnum(i) && arr[i] != 0) {
			printf("%c:\t%d\n", i, arr[i]);
		}
	}
	printf("Characters that appears the most: \n");
	for(int i = 0; i < 255; i++) {
		if(arr[i] == max) {
			printf("%c:\t%d\n", i, arr[i]);
		}
	}
}